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Keflavik Intl

$369+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$480
(United Airlines)

One-way from

$369
(oojo)

Popular in

October

Cheapest in

December

Average price

$1,292
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 38% potential increase in price ($481 potential increase over avg. RT price).
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Cheapest flight prices on average. 15% potential price decrease ($102 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/912:55 pmDCA - KEF
2 stops39h 20mUnited Airlines
Wed 8/209:30 amKEF - DCA
2 stops28h 58mUnited Airlines
Deal found 6/11$480
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1212:55 pmDCA - KEF
2 stops39h 15mAir Canada
Fri 8/229:30 amKEF - DCA
1 stop28h 48mAir Canada
Deal found 6/11$486
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:00 amDCA - KEF
2 stops19h 30mDelta
Thu 8/2111:25 amKEF - DCA
2 stops14h 22mDelta
Deal found 6/11$505
This Virgin Atlantic deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:20 pmDCA - KEF
2 stops17h 10mVirgin Atlantic
Wed 8/2011:25 amKEF - DCA
2 stops14h 22mVirgin Atlantic
Deal found 6/10$605
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:05 amDCA - KEF
2 stops24h 10mScandinavian Airlines
Mon 9/155:10 pmKEF - DCA
2 stops34h 19mScandinavian Airlines
Deal found 6/11$637
This KLM deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:29 pmDCA - KEF
1 stop13h 51mKLM
Tue 7/298:50 amKEF - DCA
1 stop11h 43mKLM
Deal found 6/12$643
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:50 pmDCA - KEF
2 stops33h 25mMultiple Airlines
Fri 8/299:35 amKEF - DCA
3 stops30h 28mMultiple Airlines
Deal found 6/11$650
This Ovago deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:42 amDCA - KEF
2 stops23h 13mBritish Airways
Tue 11/1111:45 amKEF - DCA
2 stops15h 48mBritish Airways
Deal found 6/11$694

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Keflavik Intl

Route

Depart

Return

Price

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 8/9

12:55 pm-8:15 am

2 stops39h 20m

Reykjavik Keflavik Intl

Wed 8/20

9:30 am-10:28 am

2 stops28h 58m

$480

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 8/12

12:55 pm-8:10 am

2 stops39h 15m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-10:18 am

1 stop28h 48m

$486

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 8/13

10:00 am-9:30 am

2 stops19h 30m

Reykjavik Keflavik Intl

Thu 8/21

11:25 am-9:47 pm

2 stops14h 22m

$505

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 8/13

12:20 pm-9:30 am

2 stops17h 10m

Reykjavik Keflavik Intl

Wed 8/20

11:25 am-9:47 pm

2 stops14h 22m

$605

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sun 9/7

6:05 am-10:15 am

2 stops24h 10m

Reykjavik Keflavik Intl

Mon 9/15

5:10 pm-11:29 pm

2 stops34h 19m

$637

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Tue 7/22

12:29 pm-6:20 am

1 stop13h 51m

Reykjavik Keflavik Intl

Tue 7/29

8:50 am-4:33 pm

1 stop11h 43m

$643

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 8/25

6:50 pm-8:15 am

2 stops33h 25m

Reykjavik Keflavik Intl

Fri 8/29

9:35 am-12:03 pm

3 stops30h 28m

$650

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 11/6

6:42 am-10:55 am

2 stops23h 13m

Reykjavik Keflavik Intl

Tue 11/11

11:45 am-10:33 pm

2 stops15h 48m

$694

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 8/16

11:00 am-3:20 pm

2 stops24h 20m

$369

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 8/9

4:30 pm-8:10 am

1 stop11h 40m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 results
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Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Washington, D.C. to Reykjavik. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Virgin Atlantic
7.4
Good
652 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $480, United Airlines will fly you from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $486 and $505, respectively. You may be able to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for 37% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $369. However, be on the lookout for offers from Air Canada and KLM, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport for a low price.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $659). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Reagan-National to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Reagan-National to Keflavik Intl

Discover the top airline that operate flights from Reagan-National to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$467FlexibilityNo cancel feeOn-time76%

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